diff --git a/libutils/Android.bp b/libutils/Android.bp index 8be4dd088..8a848cebc 100644 --- a/libutils/Android.bp +++ b/libutils/Android.bp @@ -289,3 +289,9 @@ cc_test_library { ], shared_libs: ["libutils_test_singleton1"], } + +cc_benchmark { + name: "libutils_benchmark", + srcs: ["Vector_benchmark.cpp"], + shared_libs: ["libutils"], +} diff --git a/libutils/Vector_benchmark.cpp b/libutils/Vector_benchmark.cpp new file mode 100644 index 000000000..c23d4996d --- /dev/null +++ b/libutils/Vector_benchmark.cpp @@ -0,0 +1,53 @@ +/* + * Copyright (C) 2019 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include +#include +#include + +void BM_fill_android_vector(benchmark::State& state) { + android::Vector v; + while (state.KeepRunning()) { + v.push('A'); + } +} +BENCHMARK(BM_fill_android_vector); + +void BM_fill_std_vector(benchmark::State& state) { + std::vector v; + while (state.KeepRunning()) { + v.push_back('A'); + } +} +BENCHMARK(BM_fill_std_vector); + +void BM_prepend_android_vector(benchmark::State& state) { + android::Vector v; + while (state.KeepRunning()) { + v.insertAt('A', 0); + } +} +BENCHMARK(BM_prepend_android_vector); + +void BM_prepend_std_vector(benchmark::State& state) { + std::vector v; + while (state.KeepRunning()) { + v.insert(v.begin(), 'A'); + } +} +BENCHMARK(BM_prepend_std_vector); + +BENCHMARK_MAIN();